TOTAL VOLUME:
$97.5b
24H VOL:
$264,423,826
24H TRANSACTIONS:
951,878,243
OPEN INTEREST:
$2,171,275,957
831,219
Markets across
15,133
events
MATCHED EVENTS:
973
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
Closed: Jul 23, 7:30 AM EST
Polymarket
This market refers to the tennis match between Rafael Izquierdo Luque and Goncalo Da Rosa Castro in the ITF Men Castelo Branco, originally scheduled for July 16, 2026 at 7:30AM ET. This market will resolve to 'Rafael Izquierdo Luque' if Rafael Izquierdo Luque advances against Goncalo Da Rosa Castro. This market will resolve to 'Goncalo Da Rosa Castro' if Goncalo Da Rosa Castro advances against Rafael Izquierdo Luque. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Rafael Izquierdo Luque and Goncalo Da Rosa Castro in the ITF Men Castelo Branco, originally scheduled for July 16, 2026 at 7:30AM ET. This market will resolve to 'Rafael Izquierdo Luque' if Rafael Izquierdo Luque advances against Goncalo Da Rosa Castro. This market will resolve to 'Goncalo Da Rosa Castro' if Goncalo Da Rosa Castro advances against Rafael Izquierdo Luque. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different pricing mechanisms. Sportsbooks set lines based on their risk management and profit margins, while prediction markets like this one are priced by traders themselves, creating a crowd-sourced probability estimate. Many analysts find prediction markets capture real-time sentiment more dynamically, especially as new information emerges. Comparing this market's odds to major sportsbook lines can reveal where the crowd and professional oddsmakers disagree on the likely outcome.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on the volume and direction of trades. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell outcome shares, and the platform's algorithm continuously recalibrates the price to balance supply and demand. Higher trading activity typically narrows spreads and increases price accuracy, while lower volume can widen the gap between bid and ask prices. The current odds reflect the collective assessment of all active traders on the platform.
This market resolves around Jul 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual match conclusion—whether one player defeats the other in the ITF Castelo Branco tournament. Once the match is completed and the winner is officially recorded, the market will settle accordingly, and traders holding the correct outcome shares will receive their payouts based on the final odds at which they held their positions.
Several factors could shift trader positioning in this market before resolution. Recent player performance, injury reports, head-to-head records, and court surface conditions are common catalysts. Changes in player ranking or momentum in the tournament bracket may also influence confidence in either competitor. News about training, form, or external circumstances affecting either player can trigger rapid repricing. As the match date approaches, increased media coverage and expert commentary often drive trading volume and price adjustments.
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